CVE-2024-4636 MEDIUM

CVE-2024-4636: Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF <= 3.12.10 - Authenticated (Author+) Stored Cross-Site Scripting via SVG Upload

Vendor Optimole
Product Optimole – Optimize Images in Real Time
Weakness CWE-79 · XSS
Published May 15, 2024
Last update April 8, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘allow_meme_types’ function in versions up to, and including, 3.12.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Key dates

02Disclosure timeline

May 15, 2024 CVE published
April 8, 2026 Record updated

Related vulnerabilities

04Related CVE